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(20) CH2 POSITION control
(20) PULL CH2 INV switch
(on CH2 POSITION control)
(21) V MODE switch
(22) CHI OUTPUT connector
For vertically positioning the CH2 trace on
the CRT screen. Clockwise rotation moves
the trace upward, counterclockwise rotation
moves the trace downward.
When pulled, the polarity of the CH2 signal
is inverted.
To select the vertical-amplifier display
mode.
CHI position displays only the channel 1
input signal on the CRT screen.
CH2 position displays only the channel 2
input signal on the CRT screen.
ALT position displays the input signals of
both channels 1 and 2. The CRT beam is
switched between channels at the end of each
sweep to achieve this multi-channel display.
CHOP position displays the input signals of
both channels 1 and 2. The CRT beam is
switched between channels at a 250 kHz rate
during the horizontal sweep to achieve this
multi-channel display.
Provides amplified output of the channel 1
signal suitable for driving a frequency
counter or other instrument.
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